

.errorpage{
    overflow: hidden;
    width:100%;
    height:100%;
    background: rgba(0,0,0,1);
    position: relative;
    .errorimg{
        position: absolute;
        top: 0;
        left: 0;
        bottom: 0;
        right: 0;
        margin: auto;
        // border: 1px solid #ffffff; /* no */
    }
}

.span-dots {
    position: absolute;
    animation: flash 2s alternate infinite;
    width: 3.5px;
    height: 3.5px;
    border-radius: 50%;
    // background: #fff;
  }
  @keyframes flash {
    0% {
      opacity: 0;
    }
    100% {
      opacity: 0.5;
    }
  }